Some code cleanup (patch <https://gerrit.libreoffice.org/c/core/+/138936>) https://gerrit.libreoffice.org/c/core/+/138847 (PBM/PVM/PGM) https://gerrit.libreoffice.org/c/core/+/138740 (SVM) https://gerrit.libreoffice.org/c/core/+/138730 (TIF)
Next: Final week! PCX is left, JPG will probably not change as it is 2 functions in GraphicDescriptor.
